package com.kun.repeatSubmit.filter;

import com.kun.repeatSubmit.request.RepeatableReadRequestWrapper;
import org.springframework.util.StringUtils;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author fangkun
 * @create 2023-05-10-11:43
 */
public class RepeatableRequestFilter implements Filter {
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;
        if (StringUtils.startsWithIgnoreCase(request.getContentType(),"application/json")){
            RepeatableReadRequestWrapper requestWrapper = new RepeatableReadRequestWrapper(request, response);
            filterChain.doFilter(requestWrapper,response);
            return;
        }
        filterChain.doFilter(request,response);
    }
}
